Source: The Cut

??? Bags for the People will be sewing live at the Union Square Greenmarket. Hop on a machine and sew a market bag. Union Square Park, 17th St., at Broadway; 10??“2.

SUNDAY
??? Christy Turlington and Tory Burch will participate in a three-mile Strides for Life fun run around Lake Agawam in Southampton to benefit the Lung Cancer Research Foundation. The race is open to the public and registration begins at 7 a.m. $40 per adult. The Cultural Center, Pond Ln. and Jobs Ln., Southampton (212-332-4403); 9??“10:30.

Scope out deals on designer and vintage clothes, shoes, handbags, furniture, and more at Circa Now‘s sidewalk sale. All prices are less than $60. (The sale will be moved inside if it rains.)Through 8/23. 238 E. 6th St., nr. Second Ave. (212-254-2555); S??“Su (noon??“7).

ENDING MONDAY
??? Become a fan of Henri Bendel‘s Facebook page or become a follower on Twitter and receive 20 percent off purchases. Offer available by using the in-store Bendel Social computer kiosk or online.712 Fifth Ave., nr. 56th St. (212-247-1100); M??“S (10??“8), Su (noon??“7).